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4467a268ce
Also, introduce Colors and Typography to hold the material colors and the typography declarations. Previously we expected clients of these libraries to import them into a namespace, but that doesn't play nice with re-exporting them from material.dart.
97 lines
2.7 KiB
Dart
97 lines
2.7 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:mojo/mojo/url_response.mojom.dart';
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import 'package:sky_services/media/media.mojom.dart';
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import 'package:sky/material.dart';
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import 'package:sky/rendering.dart';
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import 'package:sky/services.dart';
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import 'package:sky/widgets.dart';
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// All of these sounds are marked as public domain at soundbible.
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const String chimes = "http://soundbible.com/grab.php?id=2030&type=wav";
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const String chainsaw = "http://soundbible.com/grab.php?id=1391&type=wav";
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const String stag = "http://soundbible.com/grab.php?id=2073&type=wav";
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const String frogs = "http://soundbible.com/grab.php?id=2033&type=wav";
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const String rattle = "http://soundbible.com/grab.php?id=2037&type=wav";
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const String iLoveYou = "http://soundbible.com/grab.php?id=2045&type=wav";
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class Key {
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Key(this.color, this.soundUrl);
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final Color color;
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final String soundUrl;
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MediaPlayerProxy player;
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EventDisposition down() {
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if (player == null)
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return EventDisposition.ignored;
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player.ptr.seekTo(0);
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player.ptr.start();
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return EventDisposition.processed;
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}
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EventDisposition up() {
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if (player == null)
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return EventDisposition.ignored;
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player.ptr.pause();
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return EventDisposition.processed;
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}
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}
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class PianoApp extends App {
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final List<Key> keys = [
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new Key(Colors.red[500], chimes),
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new Key(Colors.orange[500], chainsaw),
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new Key(Colors.yellow[500], stag),
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new Key(Colors.green[500], frogs),
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new Key(Colors.blue[500], rattle),
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new Key(Colors.purple[500], iLoveYou),
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];
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PianoApp() {
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loadSounds();
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}
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loadSounds() async {
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MediaServiceProxy mediaService = new MediaServiceProxy.unbound();
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shell.requestService(null, mediaService);
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for (Key key in keys) {
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MediaPlayerProxy player = new MediaPlayerProxy.unbound();
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mediaService.ptr.createPlayer(player);
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UrlResponse response = await fetchUrl(key.soundUrl);
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await player.ptr.prepare(response.body);
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key.player = player;
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}
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mediaService.close();
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// Are we leaking all the player connections?
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}
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Widget build() {
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List<Widget> children = [];
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for (Key key in keys) {
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children.add(
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new Listener(
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child: new Flexible(
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child: new Container(
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decoration: new BoxDecoration(backgroundColor: key.color)
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)
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),
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onPointerCancel: (_) => key.up(),
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onPointerDown: (_) => key.down(),
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onPointerUp: (_) => key.up()
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)
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);
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}
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return new Column(children);
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}
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}
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void main() {
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runApp(new PianoApp());
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}
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